%
Mix the washer fluid with windshield washer
concentrate all year round. Comply with the
information about windshield washer fluid in
the technical data (
/
page 293).
%
Comply with the further information about
windshield washer fluid (
/
page 293)
Cleaning the water drain valve of the air intake box
&
WARNING Risk of injury due to moving
parts
Certain components in the engine compart-
ment may continue to move or suddenly move
again even after the ignition has been switched
off, e.g. the cooler fan.
Make sure of the following before performing
tasks in the engine compartment:
#
Switch the ignition off.
#
Never touch the danger zone surrounding
moving component parts, e.g. the rota-
tion area of the fan.
#
Remove jewelry and watches.
#
Keep items of clothing and hair away
from moving parts.
&
WARNING Risk of burns from hot compo-
nent parts in the engine compartment
Certain components in the engine compart-
ment can be very hot, e.g. the engine, the radi-
ator and parts of the exhaust system.
#
Allow the engine to cool down and only
touch component parts described in the
following.
If you have to carry out any work in the engine
compartment, touch only the following compo-
nents:
R
Hood
R
Engine oil filler opening cap
R
Washer fluid reservoir cap
R
Coolant expansion reservoir cap
#
Open the hood (
/
page 212).
#
Remove dirt from water drain valve
2
of air
intake box
1
.
&
WARNING Risk of fire or explosion from
fuel
Fuels are highly flammable.
#
Fire, open flames, smoking and creating
sparks must be avoided.
#
Before filling up, switch off the vehicle,
and, if applicable, the auxiliary heating.
&
WARNING Risk of fire and explosion due to
fuel
Fuels are highly flammable. There is a risk of
fire and explosion due to contact with hot com-
ponent parts.
#
Allow the engine and the exhaust system
to cool down.
*
NOTE Engine damage due to delayed
drainage of the fuel filter
Vehicles with a diesel engine: delayed drainage
of the fuel filter can lead to engine damage.
If the
!
indicator lamp lights up, drain the
fuel filter immediately.
+
ENVIRONMENTAL NOTE Environmental
pollution due to disposal in a non-environ-
mentally responsible manner
#
Dispose of the hydrogen fuel mixture in
an environmentally friendly manner.
Maintenance and care 219
